SOLID STATE & STRUCTURAL CHEMISTRY UNIT
INDIAN INSTITUTE OF SCIENCE
Prof. M. Ali Haider
Department of Chemical Engineering
Indian Institute of Technology Delhi
Understanding Surface Cation Segregation and Operating Mechanism in Double Perovskite Electrodes for Solid Oxide Fuel Cells
20th September, 2019 at 4.00 P.M.
Venue : SSCU Auditorium
ALL ARE CORDIALLY INVITED TO ATTEND
Abstract: Mechanistic elucidations of the rate-limiting processes in solid oxide fuel cells (SOFCs) are leading to the rational design of the electrode materials for Solid Oxide Fuel Cells (SOFCs). In our efforts, a bottom-up approach is adopted, wherein quantum mechanical ab initio density functional theory (DFT) simulations of reactions occurring on the material surface are guiding the principles for the design of the electrocatalyst. In a geometrically well-defined combined experimental and theoretical study, our group have shown cation segregation to the surface of layered perovskite electrode materials, responsible for limiting the performance of the electrode. We are further investigating a mechanism to control cation segregation at the molecular level, so as to improve upon the performance of the SOFC. This is thoughtfully conducted in nanostructured fabrication of the electrode material in the form of a thin-film or a nanoparticle.
Biosketch: Prof. M. Ali Haider has completed his M.S. and Ph.D. in Chemical Engineering at theUniversity of Virginia and B.Tech in Biotechnology from Indian Institute of Technology (IIT) Guwahati. He joined the Department of Chemical Engineering at IIT Delhi in 2013. His research interests are focused on experimental and density functional theory (DFT) based theoretical heterogeneous catalysis applied to the development of biorenewable fuels/chemicals and solid oxide fuel cells. He is a recipient of the Amar Dye-Chem Award for “Excellence in Basic Research and Development in Chemical Engineering” by the Indian Institute of Chemical Engineers, “Hari Om Ashram Prerit Research Award on Renewable Energy” by Sardar Patel Renewable Energy Research Institute,Bioenergy-Award for Cutting Edge Research by the Indo–US Science and Technology Forum, Institution of Engineers (India) Young Engineers Award, Department of Atomic Energy-Board of Research in Nuclear Sciences Young Scientist Research Award and Hydrogen Energy and Advanced Materials (HEAM) Scientist of the Year 2018 by the Indian Association of Hydrogen Energy and Advanced Materials (IAHEAM). He has recently visited the Catalysis Center for Energy Innovation at the University of Delaware for a year as a visiting scholar.
The Renewable Energy and Chemicals (REC) group lead by Prof. Haider is focused on the study of heterogeneous catalysis to provide sustainable solutions for fulfilling the demand of energy and chemicals. Whether it is required to convert a renewable energy source into fuels and chemicals, or to convert fuels into energy, advancement in catalyst materials forms the core of development. The group is interested in an integrated approach in which rational catalyst design is guided by a molecular level insight. Both experiments and ab-intio level (DFT) theory are applied in solving a problem at hand. The REC group has recently received Gandhian Young Technological Innovation (GYTI) Award 2018 presented by the Honourable President of India at the Rashtrapati Bhawan.